# renameField

The `renameField` method renames a sub field.

## Syntax

    renameField( oldname, newname [, case] )

## Arguments

Argument | Description
--- | ---
`oldname` | (string) The previous name of the field.
`newname` | (string) The new name of the field.
`case` | (boolean) A boolean that specifies whether the `oldname` argument is case sensitive. The argument is case sensitive by default (`true`).

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